/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2008-2011, Salzburg Research. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * - Neither the name of the LMF library client Project nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Contributor(s):
 * Stephanie Stroka
 *
 * File Info:
 * User: Stephanie Stroka
 * Date: 2011/08/19
 * Time: 18:04
 *
 * Project: lmflib
 */

package kiwi.facading.model.resources;

import java.net.URISyntaxException;

/**
 * User: sstroka
 * Date: 31.05.2011
 * Time: 12:55:43
 */
public abstract class KiWiNode {

    private KiWiUriResource context;

    private KiWiResource creator;

    protected KiWiNode() {
    }

    protected KiWiNode(KiWiResource creator) {
        this();
        this.creator = creator;
    }

    public KiWiUriResource getContext() {
        return context;
    }

    public void setContext(KiWiUriResource context) {
        this.context = context;
    }

    public abstract String getCacheKey();

    public abstract boolean isUriResource();

    public abstract boolean isAnonymousResource();

    public abstract boolean isLiteral();

    public abstract String getShortName()  throws URISyntaxException;

    /**
     * Return a representation of the node in TURTLE syntax.
     *
     * http://www.w3.org/TeamSubmission/turtle/
     *
     * @return
     */
    public abstract String toTurtle();


    /**
     * Return a representation of the node in RDF/JSON syntax.
     *
     * http://n2.talis.com/wiki/RDF_JSON_Specification
     * @param asObject indicates whether formatting should be as object (i.e. with additional type information)
     * @return
     */
    public abstract String toJSON(boolean asObject);

        /**
     * @return the author
     */
    public KiWiResource getCreator() {
        return creator;
    }

    /**
     * @param creator the author to set
     */
    public void setCreator(KiWiResource creator) {
        this.creator = creator;
    }
}
